fix reduction

Author: aobolensk

cmake/configure.cmake

@@ -64,12 +64,12 @@ if(UNIX)
         -Wold-style-definition             \
         -Wmissing-prototypes")
 
-    if ("${ENABLE_ADDRESS_SANITIZER}"
-        OR "${ENABLE_UB_SANITIZER}"
-        OR "${ENABLE_LEAK_SANITIZER}"
-        OR "${ENABLE_THREAD_SANITIZER}")
-        set (COMMON_COMPILER_FLAGS "${COMMON_COMPILER_FLAGS} -Wno-cast-align")
-    endif()
+  if("${ENABLE_ADDRESS_SANITIZER}"
+     OR "${ENABLE_UB_SANITIZER}"
+     OR "${ENABLE_LEAK_SANITIZER}"
+     OR "${ENABLE_THREAD_SANITIZER}")
+    set(COMMON_COMPILER_FLAGS "${COMMON_COMPILER_FLAGS} -Wno-cast-align")
+  endif()
 
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${COMMON_COMPILER_FLAGS}")
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COMMON_COMPILER_FLAGS}")

tasks/example_threads/omp/src/ops_omp.cpp

@@ -36,11 +36,13 @@ bool NesterovATestTaskOMP::RunImpl() {
   const int num_threads = ppc::util::GetNumThreads();
   GetOutput() *= num_threads;
 
-  std::atomic<int> counter(0);
-#pragma omp parallel default(none) shared(counter) num_threads(ppc::util::GetNumThreads())
-  counter++;
+  std::atomic<int> counter{0};
+#pragma omp parallel default(none) shared(counter) num_threads(num_threads)
+  {
+    counter.fetch_add(1, std::memory_order_relaxed);
+  }
 
-  GetOutput() /= counter;
+  GetOutput() /= counter.load(std::memory_order_relaxed);
   return GetOutput() > 0;
 }